Home / 88,136.20-132,204.30-53,144.20

Finding the Fourth Proportional to 88,136.20, 132,204.30 and 53,144.20

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Solution

The fourth proportional to 88,136.20, 132,204.30 and 53,144.20 is: 79,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,136.20 : 132,204.30 = 53,144.20 : x
  2. Step 2: Convert to fraction form
    88,136.20/132,204.30 = 53,144.20/x
  3. Step 3: Cross multiply
    88,136.20x = 132,204.30 × 53,144.20
  4. Step 4: Simplify right side
    88,136.20x = 7,025,891,760.06
  5. Step 5: Solve for x
    x = 7,025,891,760.06/88,136.20
  6. Step 6: Final answer
    x = 79,716.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.